diff --git a/docs/full-configuration.md b/docs/full-configuration.md index d266988e..f6e6e4a9 100644 --- a/docs/full-configuration.md +++ b/docs/full-configuration.md @@ -398,6 +398,8 @@ $ getcap /usr/bin/sftpgo Now you can use privileged ports such as 21, 22, 443 etc.. without running the SFTPGo service as root user. You have to set the `cap_net_bind_service` capability each time you update the `sftpgo` binary. +The "official" deb/rpm packages attempt to set the `cap_net_bind_service` capability in their `postinstall` scripts. + An alternative method is to use `iptables`, for example you run the SFTP service on port `2022` and redirect traffic from port `22` to port `2022`: ```shell diff --git a/pkgs/build.sh b/pkgs/build.sh index 06dcb618..135e879a 100755 --- a/pkgs/build.sh +++ b/pkgs/build.sh @@ -1,6 +1,6 @@ #!/bin/bash -NFPM_VERSION=2.13.0 +NFPM_VERSION=2.14.0 NFPM_ARCH=${NFPM_ARCH:-amd64} if [ -z ${SFTPGO_VERSION} ] then diff --git a/pkgs/debian/postinst b/pkgs/debian/postinst index 84f16902..8c68cc23 100644 --- a/pkgs/debian/postinst +++ b/pkgs/debian/postinst @@ -35,6 +35,8 @@ if [ "$1" = "configure" ]; then chmod 750 /srv/sftpgo fi + # set the cap_net_bind_service capability so the service can bind to privileged ports + setcap cap_net_bind_service=+ep /usr/bin/sftpgo || true fi #DEBHELPER# diff --git a/pkgs/scripts/deb/postinstall.sh b/pkgs/scripts/deb/postinstall.sh index 0deb8a5f..b0e2d3d0 100644 --- a/pkgs/scripts/deb/postinstall.sh +++ b/pkgs/scripts/deb/postinstall.sh @@ -35,6 +35,9 @@ if [ "$1" = "configure" ]; then chmod 750 /srv/sftpgo fi + # set the cap_net_bind_service capability so the service can bind to privileged ports + setcap cap_net_bind_service=+ep /usr/bin/sftpgo || true + fi if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then diff --git a/pkgs/scripts/rpm/postinstall b/pkgs/scripts/rpm/postinstall index 74872e4a..85eef34e 100644 --- a/pkgs/scripts/rpm/postinstall +++ b/pkgs/scripts/rpm/postinstall @@ -32,5 +32,8 @@ if [ -d /var/lib/sftpgo ]; then /usr/bin/chmod 750 /var/lib/sftpgo fi +# set the cap_net_bind_service capability so the service can bind to privileged ports +setcap cap_net_bind_service=+ep /usr/bin/sftpgo || : + # reload to pick up any changes to systemd files /bin/systemctl daemon-reload >/dev/null 2>&1 || :